AdventureLuxuryNatureWellness 23 of the Most Beautiful Beaches in the World Advertisements 23. Diani Beach, Kenya www.luxurytraveldiary.com Kicking back and relaxing at Diani Beach in Kenya on the east coast of Africa is a great way to kick off or end any African adventure. It’s a long stretch of clean white soft sand, just south of Mombasa. Advertisements